<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form style="padding:0 25px" :model="regForm" :rules="regFormRules" ref="regFormRef">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="regForm.username" placeholder="请输入用户名" prefix-icon="el-icon-user" clearable></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input v-model="regForm.password" placeholder="请输入密码" prefix-icon="el-icon-lock" show-password></el-input>
        </el-form-item>
        <!-- 确认密码 -->
        <el-form-item prop="repassword">
          <el-input v-model="regForm.repassword" placeholder="请确认密码" prefix-icon="el-icon-lock" show-password></el-input>
        </el-form-item>
        <!-- 按钮 -->
        <el-form-item>
          <el-button type="primary" style="width:100%" @click="regNewUser">注册</el-button>
          <el-link type="info" @click="$router.push('/login')">去登录</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Reg',
  data() {
    // 确认框校验
    let samePwd = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请再次输入密码'));
      } else if (value !== this.regForm.password) {
        callback(new Error('两次输入密码不一致!'));
      } else {
        callback();
      }
    };
    return {
     
      // 表单对象
      regForm:{
        username: '',
        password:'',
        repassword:''
      },
      regFormRules:{
        username:[
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { pattern:/^[a-zA-Z][a-zA-Z0-9]{0,9}$/, message: '用户名必须是1-10位的字母或数字,不能以数字开头', trigger: 'blur' }
        ],
        password:[
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern:/^\S{6,15}$/, message: '密码必须是6-15的非空字符', trigger: 'blur' }
        ],
        repassword:[
          { required: true, message: '请确认密码', trigger: 'blur' },
          {validator:samePwd,trigger: 'blur'}
        ]
      },
    }
  },methods: {
    // 兜底校验
     regNewUser(){
      this.$refs.regFormRef.validate(async(valid)=>{
        if(!valid) return // 校验失败
        //校验成功 发送注册请求 
      const {data:res} = await this.$http.post('/api/reg',this.regForm)
      // 条件判断是否请求成功
      if(res.code != 0)return this.$message.error(res.message) //请求失败

        this.$message.success(res.message) //请求成功
        // 跳转登录页
        this.$router.push('/login')
      })
    }
  }
 
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }
  }
}
</style>

